See if they were requested as soon as they are successfully registered.

Do it explicitly in servers

Also make sure config_add_internal errmsg is returned to slapadd

Ondřej Kuzník authored Mar 09, 2021 and Quanah Gibson-Mount committed Mar 18, 2021

send_ldap_response() clears them immediately even if we never attached
the data to be freed, so when we reinstate them, the flags are gone and
the next send_ldap_response() doesn't consider freeing them.

Two separate problems
  1) ops that never got sent because of a pending Bind
  2) errors that never got returned because of an active op